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radv: pre-calc "simple" dynamic vertex input values

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when the shader pipeline is known to not require any of the more complex
calculations, those calculations can be excluded from the dynamic update
code

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13320>
This commit is contained in:
Mike Blumenkrantz
2021-07-01 15:20:36 -04:00
committed by Marge Bot
parent c335a4d70e
commit eda5634e25
4 changed files with 35 additions and 23 deletions
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16
src/amd/vulkan/radv_pipeline.c
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@@ -5400,8 +5400,22 @@ radv_pipeline_init_vertex_input_state(struct radv_pipeline *pipeline,
}
pipeline->use_per_attribute_vb_descs = info->vs.use_per_attribute_vb_descs;
pipeline->last_vertex_attrib_bit = util_last_bit(info->vs.vb_desc_usage_mask);
if (pipeline->shaders[MESA_SHADER_VERTEX])
pipeline->next_vertex_stage = MESA_SHADER_VERTEX;
else if (pipeline->shaders[MESA_SHADER_TESS_CTRL])
pipeline->next_vertex_stage = MESA_SHADER_TESS_CTRL;
else
pipeline->next_vertex_stage = MESA_SHADER_GEOMETRY;
if (pipeline->next_vertex_stage == MESA_SHADER_VERTEX) {
const struct radv_shader_variant *vs_shader = pipeline->shaders[MESA_SHADER_VERTEX];
pipeline->can_use_simple_input = vs_shader->info.is_ngg == pipeline->device->physical_device->use_ngg &&
vs_shader->info.wave_size == pipeline->device->physical_device->ge_wave_size;
} else {
pipeline->can_use_simple_input = false;
}
if (info->vs.dynamic_inputs)
pipeline->vb_desc_usage_mask = BITFIELD_MASK(util_last_bit(info->vs.vb_desc_usage_mask));
pipeline->vb_desc_usage_mask = BITFIELD_MASK(pipeline->last_vertex_attrib_bit);
else
pipeline->vb_desc_usage_mask = info->vs.vb_desc_usage_mask;
pipeline->vb_desc_alloc_size = util_bitcount(pipeline->vb_desc_usage_mask) * 16;